42632646 has 24 divisors (see below), whose sum is σ = 99186840. Its totient is φ = 12180672.

The previous prime is 42632641. The next prime is 42632647. The reversal of 42632646 is 64623624.

It is a super-2 number, since 2×42632646² = 3635085009922632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42632641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72211 + ... + 72798.

It is an arithmetic number, because the mean of its divisors is an integer number (4132785).

Almost surely, 2^42632646 is an apocalyptic number.

42632646 is an abundant number, since it is smaller than the sum of its proper divisors (56554194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42632646 is a wasteful number, since it uses less digits than its factorization.

42632646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145028 (or 145021 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 42632646 is about 6529.3679632871. The cubic root of 42632646 is about 349.3392868557.

The spelling of 42632646 in words is "forty-two million, six hundred thirty-two thousand, six hundred forty-six".